package com.snack.common.interceptor;

import com.snack.utils.UserIdThreadLocal;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.web.servlet.HandlerInterceptor;

/**
 * 检测用户是否登录
 * @author huangfuhao
 * @Date 2025/3/17
 */
public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        //1.判断是否需要拦截（ThreadLocal中是否有用户）
        if (UserIdThreadLocal.getUserId() == null){
            //没有，需要拦截，设置状态码
            response.setStatus(401);
            return false;
        }


        return true;
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        HandlerInterceptor.super.afterCompletion(request, response, handler, ex);
    }
}
